46955
Fluorescein
suitable for fluorescence, free acid
Synonym(s):
Acid Yellow 73
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About This Item
Product Name
Fluorescein, suitable for fluorescence, free acid
InChI key
GNBHRKFJIUUOQI-UHFFFAOYSA-N
InChI
1S/C20H12O5/c21-11-5-7-15-17(9-11)24-18-10-12(22)6-8-16(18)20(15)14-4-2-1-3-13(14)19(23)25-20/h1-10,21-22H
SMILES string
Oc1ccc2c(Oc3cc(O)ccc3C24OC(=O)c5ccccc45)c1
Quality Level
Gene Information
human ... PTPN1(5770), PTPRF(5792)
assay
>95.0% (HPLC)
form
powder or crystals
mol wt
332.31 g/mol
concentration
≤100% (2-(6-hydroxy-3-oxo-(3H)-xanthen-9-yl)benzoic acid)
technique(s)
titration: suitable
color
red
mp
320 °C
solubility
methanol: 0.1 g/10 mL, orange to very deep orange
λmax
486.0-501.0 nm
fluorescence
λex 490 nm; λem 514 nm in 0.1 M Tris pH 8.0
suitability
suitable for fluorescence
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Related Categories
Application
- in the permeability assay of Caco-2 cells
- to test its suitability to serve as lifetime fluorescence standards
- as a fluorophore for the fast recovery of fluorescence peaks and fluorophore concentration in the presence of hemoglobin
- as a fluorescent probe in oxygen radical absorbance capacity (ORAC) assay
General description
signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2
Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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Which document(s) contains shelf-life or expiration date information for a given product?
If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.
How do I get lot-specific information or a Certificate of Analysis?
The lot specific COA document can be found by entering the lot number above under the "Documents" section.
What is Product 46955, Fluorescein, soluble in?
According to the chemicals encyclopedia published by the Royal Society of Chemistry : 13th Edition, Fluorescein is soluble in hot alcohol and glacial acetic acid. Also, it is soluble in alkali hydroxides or carbonates. This product is insoluble in water, benzene, chloroform and ether.
How should Product 46955, Fluorescein, be stored?
We recommend storing this product at room temperature.
What is the dye content of Product 46955, Fluorescein?
According to our supplier, the dye content of pure Fluorescein is a minimum of 90%. We do not test the purity of this product since it is not one of our specifications.
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Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.
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Articles
Fluorescence lifetime measurement is advantageous over intensity-based measurements. Applications include fluorescence lifetime assays, sensing and FLI.
Fluorescence quenching microscopy visualizes 2D materials like graphene and MoS2 rapidly, inexpensively, and with high fidelity.
荧光寿命测量与基于强度的测量相比是有优势的。其应用包括荧光寿命分析，感测和FLI。
Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.
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